* {
    margin: 0;
    padding: 0;
    outline: 0;
}

@main_color: #ff5f16;
@text_color: #191a1b;
@gray_text_color: #797d82;
@border_color: #f8f8f8;
@title_font_size: 16px;
@normal_font_size: 13px;
@mini_font_size: 12px;
@f4_color:#f4f4f4;

// 定义常用less函数
.flex(@jc: center, @ai: center) {
    display: flex;
    justify-content: @jc;
    align-items: @ai;
}

.position(@type: relative, @t: auto, @b: auto, @l: auto, @r: auto) {
    position: @type;
    top: @t;
    bottom: @b;
    left: @l;
    right: @r;
}